Answers by Richard Theobald
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Answers by Richard Theobald

Answers by Richard Theobald
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Why are mixtures easier to separate than compounds
answered Jun 8, 2019
3 votes
84.2k views
At a lemonade stand, the first cup costs $1.50, and refills cost $0.20 each. If a customer paid $1.90 in total for his first cup and refills, how many refills did the customer order?
answered Feb 27, 2019
5 votes
156k views
Jack and jill go up a hill to fetch a pail of water. jack falls down and breaks his crown and jill thinks he may have suffered a concussion. to test his memory, she asks him if he remembers what happened.
answered Feb 10, 2019
5 votes
9.2k views
Rich deposited money into a bank account that earned 2.5% simple interest each year. After 2 years, he had earned $14.65 in interest on the account. If no other money was deposited into or withdrawn from
answered Oct 18, 2018
2 votes
194k views
What is the molar mass of oxygen, O2? (Round to four significant figures only.)
answered Aug 29, 2018
5 votes
174k views
Which of these sentences is correctly written and punctuated? 1.)Keeping his active mind challenging Roosevelt improved his stamp collection, and read books on American history, politics, and biography.
answered Jul 28, 2018
4 votes
122k views
Help please Asap!!! FAST pick two of the structures that are in the animals cell and explain how they work together and how their function are vital in keeping the cell alive. you can pick from these structures
answered Jul 2, 2018
6 votes
128k views
Which activity is the best example of cardiovascular and strength-training exercises working together? A football player sprints toward an opposing player and tackles him. A runner jogs for 26 miles and
answered May 8, 2018
5 votes
100k views
Humans can perceive infrared light with their eyes. True or false
answered Jun 15, 2017
6 votes
118k views
Tamara is creating a model of a rectangle. She has 26 inches of yellow ribbon to use for the border of the rectangle. She wants the length, l, to be 3 inches greater than the width, w. Which system of
answered May 24, 2017
1 vote
169k views
Which side of your brain is more dominant?a. Right brain ,b. Left brain
answered Jan 18, 2017
1 vote
168k views
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